A billion ways to die, Chris Knopf, (large print)

Arthur Cathcart and Natsumi Fitzgerald wanted to believe they were free of the nearly invisible, malignant forces they had pursued, and been pursued by, across the globe. The tech-freak researcher and blackjack-dealing psychologist convinced themselves that life on a sailboat in the Caribbean, incognito and in love, could be a lasting refuge. The death of that illusion was as brutal as it was abrupt. And so it is that Arthur and Natsumi take to the fight

Arthur Cathcart and Natsumi Fitzgerald wanted to believe they were free of the nearly invisible, malignant forces they had pursued, and been pursued by, across the globe. The tech-freak researcher and blackjack-dealing psychologist convinced themselves that life on a sailboat in the Caribbean, incognito and in love, could be a lasting refuge. The death of that illusion was as brutal as it was abrupt. And so it is that Arthur and Natsumi take to the fight